P1661

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Definition of check engine code P1661:

Chrysler/Dodge/Jeep:

Sensor Ground Reference Circuit

Citroen/Peugeot:

Output Circuit Check Signal Low

Ford:

Output Circuit Check Signal Low

GM:

MIL Control Circuit

Lincoln:

Output Circuit Check Signal Low

Mercury:

Output Circuit Check Signal Low

Oldsmobile:

Output Circuit Check Signal Low

Scion:

EGR Circuit.

Toyota:

EGR Circuit Malfunction

Volkswagen/Audi:

Engine coolant blower motor,speed 2 – short to positive

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